1) the rate of sight-short
视力低下率
2) the ratio of mal-eyesight
视力低下发生率
3) Poor eyesight
视力低下
1.
[Results]Poor eyesight rate grew with higher grade,but the growth rate altered bigger in low-grade students than high-grade students;the situation of kids in urban school and primary school were worse than kids in suburban school and ordinary school,but the poor eyesig.
[目的]了解钦州市小学生视力低下的情况,为做好小学生视力保护预防工作提供依据。
4) Hypopsia
视力低下
1.
Monitoring and Analysis of Hypopsia in Middle and Primary School Students in Longyan City from 2002 to 2006;
2002~2006年龙岩市部分中小学生视力低下监测分析
5) Weak eyesight
视力低下
1.
[Objective] To discover the growing regularity and dynamic trend of weak eyesight of primary and middle school students.
[目的]探讨和掌握深圳市福田区中小学生视力低下的发展规律和动向。
6) Poor sight
视力低下
1.
Results The rate of poor sight in the key high schools was higher than that of the ordinary schools.
目的 了解曹县重点高中与普通高中学生视力低下状况 ,为防治提供科学依据。
补充资料：电导率(见电阻率)
电导率(见电阻率)
conductivity
d!日nd日O}已电导率(eonduetivity)见电阻率。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条